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  • Title: Streptococcal pharyngitis in a primary care clinic.
    Author: Foong HB, Yassim M, Chia YC, Kang BH.
    Journal: Singapore Med J; 1992 Dec; 33(6):597-9. PubMed ID: 1488669.
    Abstract:
    A study to determine the sensitivity and specificity of the Directogen Group A Streptococcal Test was carried out in a primary care clinic in University Hospital, Kuala Lumpur. The study also looked at the prevalence of streptococcal pharyngitis in the clinic. We found that the rapid test has a sensitivity of 90.9% and a specificity of 90.7%. Viral pharyngitis is the commonest form (63%) of pharyngitis followed by Group A Beta haemolytic streptococcal pharyngitis (14.2%). The presence of exudates, tonsillar enlargement and the presence of tender cervical lymph nodes have a significantly higher association with streptococcal pharyngitis.
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